| Difficult Run to Cermik | 5,774.70 mi (9,293.49 km) |
| Difficult Run to Cesme | 5,237.16 mi (8,428.39 km) |
| Difficult Run to Ceyhan | 5,686.97 mi (9,152.30 km) |
| Difficult Run to Ceylanpinar | 5,861.55 mi (9,433.25 km) |
| Difficult Run to Cicekdagi | 5,509.48 mi (8,866.66 km) |
| Difficult Run to Cide | 5,349.00 mi (8,608.39 km) |
| Difficult Run to Cifteler | 5,385.97 mi (8,667.88 km) |
| Difficult Run to Ciftlik | 5,580.10 mi (8,980.30 km) |
| Difficult Run to Ciftlikkoy | 5,259.65 mi (8,464.59 km) |
| Difficult Run to Cihanbeyli | 5,495.09 mi (8,843.49 km) |
| Difficult Run to Cildir | 5,759.24 mi (9,268.59 km) |
| Difficult Run to Cilimli | 5,317.86 mi (8,558.27 km) |
| Difficult Run to Cinar | 5,831.74 mi (9,385.28 km) |
| Difficult Run to Cinarcik | 5,252.26 mi (8,452.70 km) |
| Difficult Run to Cine | 5,342.46 mi (8,597.86 km) |
